(sales*125000-17.35*125000+485000)*(1-21%)+165000*21% = 910,828.869624
     (sales-17.35*125000+485000)*(1-21%)+165000*21%=910,828.869624
     -2＝x（x^2+1）
     x（x^2+1）
    2x^2+10x-25=0
    2x^3-7x^2-3x+1=0
    arccotx
    arctan x
    lnx=x-2
    x∧3+2*x∧2-734*x+270＝0
    x∧2+x-1=0
    sin2x（cosx）²
    x+4+20+15%x+（x+15%x）*13%=2600
    (x-7418)*(2.4*5.961)/[(0.4*5.961)*(7418+x)]=-0.2997
    (x-7814)*(2.4*5.961)/[(0.4*5.961)*(7814+x)]=-0.2997
    (x-7814)*(2.4*5.961*0.01)/[(0.4*5.961*0.01)*(7814+x)]=-0.2997
    (0.01x-7814)*(2.4*5.961)/[(0.4*5.961)*(7814+0.01x)]=-0.2997
    x∧3+0.2/1000*x∧2-0.105/1000000*x-0.008/1000000000＝0
    x∧3-x＝0
    (x-78.14)*(2.4*5.961)/[(0.4*5.961)*(78.14+x)]=-0.2997

Home page << page2729 page2730 page2731 page2732 page2733 ... ... page2735 page2736 page2737 page2738 page2739 >> Last page 31237 pages in total